Castrum doloris is a name for the structure and decorations sheltering or accompanying the catafalque

Catafalque

A catafalque is a raised bier, soapbox, or similar platform, often movable, that is used to support the casket, coffin, or body of the deceased during a funeral or memorial service. Following a Roman Catholic Requiem Mass, a catafalque may be used to stand in place of the body at the Absolution of...

 or bier

Bier

A bier is a stand on which a corpse, coffin or casket containing a corpse, is placed to lie in state or to be carried to the grave.In Christian burial, the bier is often placed in the centre of the nave with candles surrounding it, and remains in place during the funeral.The bier is a flat frame,...

 that signify the prestige or high estate of the deceased. A Castrum doloris might feature an elaborate baldachin

Baldachin

A baldachin, or baldaquin , is a canopy of state over an altar or throne. It had its beginnings as a cloth canopy, but in other cases it is a sturdy, permanent architectural feature, particularly over high altars in cathedrals, where such a structure is more correctly called a ciborium when it is...

 and would include candle

Candle

A candle is a solid block or cylinder of wax with an embedded wick, which is lit to provide light, and sometimes heat.Today, most candles are made from paraffin. Candles can also be made from beeswax, soy, other plant waxes, and tallow...

s, possibly flower

Flower

A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s, and in most cases coats of arms

Coat of arms

A coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armour and to identify the wearer. Thus the term is often stated as "coat-armour", because it was anciently displayed on the front of a coat of cloth...

, epitaph

Epitaph

An epitaph is a short text honoring a deceased person, strictly speaking that is inscribed on their tombstone or plaque, but also used figuratively. Some are specified by the dead person beforehand, others chosen by those responsible for the burial...

s and possibly allegorical statue

Statue

A statue is a sculpture in the round representing a person or persons, an animal, an idea or an event, normally full-length, as opposed to a bust, and at least close to life-size, or larger...

s. Many extensive castra doloris can be traced to the customs of 17th century and 18th century or even earlier, since Pope Sixtus V's funeral arrangements included a castrum doloris in the mid 14th Century.

Notable examples include coffin portrait

Coffin portrait

A Coffin portrait was a realistic portrait of the deceased person put on coffins for the funeral and one of the elements of the castrum doloris, but removed before the burial...

 (Polish: portret trumienny) of Polish-Lithuanian Commonwealth

Polish-Lithuanian Commonwealth

The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch. It was the largest and one of the most populous countries of 16th- and 17th‑century Europe with some and a multi-ethnic population of 11 million at its peak in the early 17th century...

.